2, refrigerator cold storage. Candy can be placed in a sealed box, and then put into the refrigerator for cold storage, the box is best to put a small piece of charcoal, wrapped tightly in paper, and only use a needle to poke some small holes in the top.
3, iron box storage. Ordinary sugar can be stored in the iron box, the storage time should not exceed six months, and more fat and protein-containing candies can also be placed in the iron box, the time should not be more than three months, if there is a return to the moisture, the phenomenon of rancidity, must be thrown away.